nightkiller :D
21 stories
Sanscest Oneshots by helpme1m
helpme1m
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This book mostly contains Nightkiller- 🤣 Just another random oneshot book about very gay or Yuri magic skeletons and a bit of lazy writing and insane storylines that don't make sense. I'm not a professional and i have a life so I might not update as much. Very Sancest 🔥Our Menu🔥 - Nightkiller (ofc) - Cream - Errorink - Dustblue - Bloodlust - Afterdeath - Kustard (Yes, there is 🍋)
Nightkiller by Underswap_nerd666
Underswap_nerd666
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....Not all storys have happy endings.... Ships: DustHorror Inkerror Killermare Cream Lustberry-ish
wait...you love me||nightkiller fanfic||empireverse by Aron-Might
Aron-Might
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killer is a new something of a sans he has always lived life on the edge but through everything he keeps a happy smile, people always knows him as that one guy but killer didn't mind he loved the name. but on day killer ran away from his home land and made it to the night empire, were he made a life for him self, there life made a twist when encotering the king him self and now the rest is history.
I Dont Care... (nightkiller love story) by Aron-Might
Aron-Might
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i never could feel anything as long as i remeber, everything i do is because im forsed to but... one day i met someone who could free me! make me happy!? but why do you always want me...
It's ME and YOU against the world  by NatFrizzell
NatFrizzell
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Since the beginning Nightmare had a strange attachment to Killer. One filled with unknown emotions and uncertain words. A kind but trapped soul and a lost but confused one. Both needing to be loved. But how will they both balance their feelings for each other and their problems? With Killers depression, to Nightmares insecurities. How will they learn to love? -------------------------- I hope you enjoy this book! Please excuse my spelling/grammar!
What I want by fallenmemes
fallenmemes
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Color took Killer and gave him his emotions, everything was fine at first but then he got bored and to think of it he missed killing other's, would he spend his day's killing bugs or would he escape. The bad guy Sanses were REALLY sad. Don't get me started on Nightmare's mental state.... Edit: I've decided to re-write this story complete so there'll be some big changes
The Meteor Shower | NightKiller/StarKiller | by macrolunatic. by Macrolunatic
Macrolunatic
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Nightmare and Killer are in-love mates, but some months ago Killer met Outer on a mission, and he ended up liking his company. Killer stopped loving his mate for how Night treats him, but Nightmare however... He is obsessed with him. Killer started sneaking out to go see his new friend, and Outer is starting to get attached with him. What will happen next? You'll never know if you don't read it! Have fun! ;) [Beware some +13 or +18] [Hate comments won't be consented!] [ The only thing I own here are the stories! ] - I don't own any of the characters that appear in here. - Undertale belongs to Toby Fox.
Killermare (I can't think of a title-) by avxntxrime
avxntxrime
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Completed: August 8th, 2020 Killer is nightmares right hand man. Doing everything nightmare pleases. (That sounded wrong. Not in that way- Anyways-) though errors second in command. Meaning he'd be in charge if nightmare couldn't. Once killer thinks about why error does almost nothing even if he's second in command. Did nightmare choose killer just because he wanted too? Did nightmare want killer to be there 24/7 for a reason? but what would happen if the good people weren't what they seemed? Read this shitty shit to find out, ha. This is so bad but people seem to..like it? I don't know how but enjoy this...creation THIS IS AN UNDERTALE FANFICTION
My NightKiller book by NikiNeyu
NikiNeyu
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the place i used to talk, to write Oneshot, make some Headcanon about NightKiller there maybe a few more ship like Cream or HorrorDust (not much because i know everbody like Dustberry and HorrorLust more then HorrorDust) All the pictures I use here do not belong to me, it belongs to the person who drew it which I can't remember or find it. :'(
~ That One Feeling ~ Nightmare X Killer [[ NightKiller ]] (Currently On Hiatus)  by TheKawaiiShipperHB23
TheKawaiiShipperHB23
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(Warning : 2018 Cringe written by my 12-13 year old past self from Chapters 1 up to Chapter 43) Love, or the inability to experience it, is a profound struggle. But what if you don't even know what love is? Nightmare, a being defined by his negativity, has never been one to entertain emotions like happiness or joy. He despises these positive feelings, yet finds himself bewildered when new, unfamiliar emotions start to stir within him. Confused and unprepared, he grapples with identifying and understanding these strange sensations. Killer, on the other hand, is more aware of what these emotions are supposed to be, thanks to his friends' descriptions. Yet, despite this knowledge, he remains disconnected from these feelings, unable to truly grasp them. As a skeleton who once lacked any emotions until a friend mended his soul, his detachment is understandable. He's heard that love brings a warmth to your soul, a fluttering in your stomach, like having butterflies inside. Both of these skeletons find themselves pondering the same question: "What are these feelings?"